

package br.com.fatecpg.babelchat.servlets;

import br.com.fatecpg.babelchat.Chat;
import java.io.IOException;
import java.util.HashMap;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;


public class Controller extends HttpServlet {
   
  
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)throws ServletException, IOException {
        request.setCharacterEncoding("UTF-8");
        response.setCharacterEncoding("UTF-8"); 
        HashMap<String, Chat> salas = (HashMap<String, Chat>) getServletContext().getAttribute("salas");

        String uriParts[] = request.getRequestURI().split("/");
        String nomeDaSala = uriParts[3];
        Chat sala = new Chat();

        if(salas.containsKey(nomeDaSala)){
            sala = salas.get(nomeDaSala);
            request.setAttribute("sala", sala);
        }else if(request.getParameter("novaSala") != null && request.getParameter("novaSala").equals("true")) {
            sala.nome = nomeDaSala;
            salas.put(nomeDaSala, sala);
            request.setAttribute("sala", sala);
        } else {
            response.setStatus(404);
        }

        sala.pessoas.add(request.getSession().getAttribute("usuario").toString());
        getServletContext().getRequestDispatcher("/[chat].jsp").forward(request,response);
    }

    @Override
    public void init() throws ServletException {
        HashMap<String, Chat> salas = new HashMap<String, Chat>();
        getServletContext().setAttribute("salas", salas);
        super.init();
    }



    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /** 
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        processRequest(request, response);
    } 

    /** 
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>

}
